The Best Time to Book Flights

“One interesting finding is that the lowest fare for any one trip changed an average of 62 times during the period that that trip was offered for sale. That’s roughly once every 5–6 days. Furthermore, each change represented an increase or drop of $36, on average.”

When’s the best time to book a flight? Based on the 917 million data points (not a typo) used in this CheapAir.com study, you’re about to find out.

The study breaks down the best time to buy flights based on six different booking zones to account for if you’re the kind of person who books early, late, or somewhere in between.